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Unstable OC

post #1 of 8
Thread Starter 
Greetings and salutations, I come to you with a problem.

After reading more guides with this CPU + mobo combo that I can count regarding OC, I decided to do one myself.

The BIOS configs are in the attachments. Now, I've stress tested the PC for a couple of hours, played a couple of games and everything runs stable and cool (for me). The CPU stays at 38º on load, the cores themselves never go over 55º. However if I turn the PC off for a long period of time, when I next boot it up it resets a couple times and goes back to the defaults for FSB, PCIe frequency and Mem multiplier.

As a great detective with an eye for big red flashing warnings, this is probably due to the voltage as the BIOS well warns me. But since my knowledge only goes THAT far, I'm hitting a roadblock.

It's not as much as me wanting the computer to always stay in it's OC state (most games I play don't even need it), it's more of a "why in the flying spaghetti monster's name is this crap happening?".

Thanks in advance to any and everyone who reply, if you need any more info I'll be glad to add it.



post #2 of 8
It sound's as if your CMOS battery is weak and not retaining your OC setting's
post #3 of 8
Well it depends if it happens ONLY when you unplug your pc for a while... then yeah your CMOS battery is dead... Otherwise you have an overclock or possible bios / mobo issue... BTW welcome to the forums!!
post #4 of 8
this^^^^
you will see a battery similar to a big watch battery, on your motherboard. replace this and you should be ok

edit. in pic 4 you have auto voltage. dont use it like that, you should manually raise the cpu voltage.
you are good upto 1.36v,
Edited by j.col - 5/21/11 at 1:26pm
Old Slow Hand
(15 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 B3 @ 3.4GHz 425x8 DFI Lanparty DK P45-T2RS Plus HD 5850 (risen from dead) 2x2gb DDR2 Geil Black dragon pc2-6400 @ 1020 MHz 
Hard DriveCoolingOSMonitor
Samsung SpinPoint F3 500GB & Seagate 1TB Noctua NH-D14 Windows 7 pro Samsung SyncMaster 2253BW..... 1920 x 1080 
PowerCaseAudio
Corsair HX 520w NZXT Hades Asus Xonar DG 
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Old Slow Hand
(15 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 B3 @ 3.4GHz 425x8 DFI Lanparty DK P45-T2RS Plus HD 5850 (risen from dead) 2x2gb DDR2 Geil Black dragon pc2-6400 @ 1020 MHz 
Hard DriveCoolingOSMonitor
Samsung SpinPoint F3 500GB & Seagate 1TB Noctua NH-D14 Windows 7 pro Samsung SyncMaster 2253BW..... 1920 x 1080 
PowerCaseAudio
Corsair HX 520w NZXT Hades Asus Xonar DG 
  hide details  
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by Yumyums View Post
It sound's as if your CMOS battery is weak and not retaining your OC setting's
Quote:
Originally Posted by Night197 View Post
Well it depends if it happens ONLY when you unplug your pc for a while... then yeah your CMOS battery is dead... Otherwise you have an overclock or possible bios / mobo issue... BTW welcome to the forums!!
Thought it might be the battery and tried today only turning the PC off, but keeping the power cable connected. Same still happened. And thanks for the welcome, this looks like a great community.

Also, the board allows me to record custom configs for changing quickly without having to run around the options, and they are fine same as the clock.

Quote:
Originally Posted by j.col View Post
this^^^^
you will see a battery similar to a big watch battery, on your motherboard. replace this and you should be ok

edit. in pic 4 you have auto voltage. dont use it like that, you should manually raise the cpu voltage.
you are good upto 1.36v,
All the voltages are selected manually. I locked the vcore to the stock voltage since I don't need extra for the OC.
post #6 of 8
Then I would try to re-install the bios (if you can) or upgrade to the latest one available...
post #7 of 8
Thread Starter 
Quote:
Originally Posted by Night197 View Post
Then I would try to re-install the bios (if you can) or upgrade to the latest one available...
Done, already had the latest version (F12) but reinstalled anyway. Same results.

Noticed something though. If I change the CPU Host Clock Control to Disable and Memory Multiplier to AUTO (refer to the 4th pic), the doomed red "System voltage not optimized" message becames a hoping green "System voltage optimized" and the PC boots fine everytime. Usually when it reboots it would reset both those options AND the PCIe frequency.

That would rule out any PCIe problems and only leave the voltage for... something. Tried every possible voltage with the CPU / RAM separately and I can't get the green hope message again. Either I have to rise some other voltage to stabilize the system or this is really just not meant to be and I'll have to suck it up and reconfigure the BIOS everytime I need that extra performance.

Anyone have any voltage tips?
post #8 of 8
I would contact gigabyte for a rma you probably have a bad board
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